extern ULONG reactos_disk_count;
extern ARC_DISK_SIGNATURE reactos_arc_disk_info[];
-extern BOOLEAN UseRealHeap;
extern ULONG LoaderPagesSpanned;
extern BOOLEAN AcpiPresent;
static BOOLEAN
WinLdrLoadDeviceDriver(PLIST_ENTRY LoadOrderListHead,
- LPSTR BootPath,
+ LPCSTR BootPath,
PUNICODE_STRING FilePath,
ULONG Flags,
PLDR_DATA_TABLE_ENTRY *DriverDTE)
BOOLEAN
WinLdrLoadBootDrivers(PLOADER_PARAMETER_BLOCK LoaderBlock,
- LPSTR BootPath)
+ LPCSTR BootPath)
{
PLIST_ENTRY NextBd;
PBOOT_DRIVER_LIST_ENTRY BootDriver;
// Paths are relative (FIXME: Are they always relative?)
// Load it
- Status = WinLdrLoadDeviceDriver(&LoaderBlock->LoadOrderListHead, BootPath, &BootDriver->FilePath,
- 0, &BootDriver->LdrEntry);
+ Status = WinLdrLoadDeviceDriver(&LoaderBlock->LoadOrderListHead,
+ BootPath,
+ &BootDriver->FilePath,
+ 0,
+ &BootDriver->LdrEntry);
// If loading failed - cry loudly
//FIXME: Maybe remove it from the list and try to continue?
return TRUE;
}
-PVOID WinLdrLoadModule(PCSTR ModuleName, ULONG *Size,
- TYPE_OF_MEMORY MemoryType)
+PVOID
+WinLdrLoadModule(PCSTR ModuleName,
+ ULONG *Size,
+ TYPE_OF_MEMORY MemoryType)
{
ULONG FileId;
PVOID PhysicalBase;
return PhysicalBase;
}
-
USHORT
WinLdrDetectVersion()
{
PCCH File,
TYPE_OF_MEMORY MemoryType,
PLDR_DATA_TABLE_ENTRY *Dte,
+ BOOLEAN IsKdTransportDll,
ULONG Percentage)
{
CHAR FullFileName[MAX_PATH];
strcpy(FullFileName, "WINDOWS\\SYSTEM32\\");
strcat(FullFileName, File);
- WinLdrAllocateDataTableEntry(&LoaderBlock->LoadOrderListHead, File,
- FullFileName, BaseAdress, Dte);
+ /*
+ * Cheat about the base DLL name if we are loading
+ * the Kernel Debugger Transport DLL, to make the
+ * PE loader happy.
+ */
+ WinLdrAllocateDataTableEntry(&LoaderBlock->LoadOrderListHead,
+ (IsKdTransportDll ? "KDCOM.DLL" : File),
+ FullFileName,
+ BaseAdress,
+ Dte);
return BaseAdress;
}
+static
+BOOLEAN
+LoadWindowsCore(IN USHORT OperatingSystemVersion,
+ IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+ IN LPCSTR BootOptions,
+ IN LPCSTR BootPath,
+ IN OUT PLDR_DATA_TABLE_ENTRY* KernelDTE)
+{
+ BOOLEAN Status;
+ CHAR DirPath[MAX_PATH];
+ CHAR KdTransportDllName[MAX_PATH];
+ PLDR_DATA_TABLE_ENTRY HalDTE, KdComDTE = NULL;
+
+ if (!KernelDTE) return FALSE;
+
+ /* Load the Kernel */
+ LoadModule(LoaderBlock, BootPath, "NTOSKRNL.EXE", LoaderSystemCode, KernelDTE, FALSE, 30);
+
+ /* Load the HAL */
+ LoadModule(LoaderBlock, BootPath, "HAL.DLL", LoaderHalCode, &HalDTE, FALSE, 45);
+
+ /* Load the Kernel Debugger Transport DLL */
+ if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
+ {
+ /*
+ * According to http://www.nynaeve.net/?p=173 :
+ * "[...] Another enhancement that could be done Microsoft-side would be
+ * a better interface for replacing KD transport modules. Right now, due
+ * to the fact that ntoskrnl is static linked to KDCOM.DLL, the OS loader
+ * has a hardcoded hack that interprets the KD type in the OS loader options,
+ * loads one of the (hardcoded filenames) "kdcom.dll", "kd1394.dll", or
+ * "kdusb2.dll" modules, and inserts them into the loaded module list under
+ * the name "kdcom.dll". [...]"
+ */
+
+ /*
+ * This loop replaces a dumb call to strstr(..., "DEBUGPORT=").
+ * Indeed I want it to be case-insensitive to allow "debugport="
+ * or "DeBuGpOrT=" or... , and I don't want it to match malformed
+ * command-line options, such as:
+ *
+ * "...foo DEBUGPORT=xxx bar..."
+ * "...foo/DEBUGPORT=xxx bar..."
+ * "...foo/DEBUGPORT=bar..."
+ *
+ * i.e. the "DEBUGPORT=" switch must start with a slash and be separated
+ * from the rest by whitespace, unless it begins the command-line, e.g.:
+ *
+ * "/DEBUGPORT=COM1 foo...bar..."
+ * "...foo /DEBUGPORT=USB bar..."
+ * or:
+ * "...foo /DEBUGPORT= bar..."
+ * (in that case, we default the port to COM).
+ */
+ while (BootOptions)
+ {
+ /* Skip possible initial whitespace */
+ BootOptions += strspn(BootOptions, " \t");
+
+ /* Check whether a new commutator starts and it is the DEBUGPORT one */
+ if (*BootOptions != '/' || _strnicmp(++BootOptions, "DEBUGPORT=", 10) != 0)
+ {
+ /* Search for another whitespace */
+ BootOptions = strpbrk(BootOptions, " \t");
+ continue;
+ }
+ else
+ {
+ /* We found the DEBUGPORT commutator. Move to the port name. */
+ BootOptions += 10;
+ break;
+ }
+ }
+
+ if (BootOptions)
+ {
+ /*
+ * We have found the DEBUGPORT commutator. Parse the port name.
+ * Format: /DEBUGPORT=COM1 or /DEBUGPORT=FILE:\Device\HarddiskX\PartitionY\debug.log or /DEBUGPORT=FOO
+ * If we only have /DEBUGPORT= (i.e. without any port name), defaults it to "COM".
+ */
+ strcpy(KdTransportDllName, "KD");
+ if (_strnicmp(BootOptions, "COM", 3) == 0 && '0' <= BootOptions[3] && BootOptions[3] <= '9')
+ {
+ strncat(KdTransportDllName, BootOptions, 3);
+ }
+ else
+ {
+ size_t i = strcspn(BootOptions, " \t:"); /* Skip valid separators: whitespace or colon */
+ if (i == 0)
+ strcat(KdTransportDllName, "COM");
+ else
+ strncat(KdTransportDllName, BootOptions, i);
+ }
+ strcat(KdTransportDllName, ".DLL");
+ _strupr(KdTransportDllName);
+
+ /*
+ * Load the transport DLL. Specify it to LoadModule so that it can
+ * change the base DLL name of the loaded transport DLL to the default
+ * "KDCOM.DLL" name, to make the PE loader happy.
+ */
+ LoadModule(LoaderBlock, BootPath, KdTransportDllName, LoaderSystemCode, &KdComDTE, TRUE, 60);
+ }
+ }
+
+ /* Load all referenced DLLs for Kernel, HAL and Kernel Debugger Transport DLL */
+ strcpy(DirPath, BootPath);
+ strcat(DirPath, "system32\\");
+ Status = WinLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, *KernelDTE);
+ Status &= WinLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, HalDTE);
+ if (KdComDTE)
+ {
+ Status &= WinLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, KdComDTE);
+ }
+
+ return Status;
+}
+
VOID
LoadAndBootWindows(IN OperatingSystemItem* OperatingSystem,
IN USHORT OperatingSystemVersion)
strcat(BootPath, FileName);
}
- /* append a backslash */
+ /* Append a backslash */
if ((strlen(BootPath)==0) || BootPath[strlen(BootPath)] != '\\')
strcat(BootPath, "\\");
Status = WinLdrScanSystemHive(LoaderBlock, BootPath);
TRACE("SYSTEM hive scanned with status %d\n", Status);
-
+ /* Finish loading */
LoadAndBootWindowsCommon(OperatingSystemVersion,
LoaderBlock,
BootOptions,
{
PLOADER_PARAMETER_BLOCK LoaderBlockVA;
BOOLEAN Status;
- CHAR FileName[MAX_PATH];
- PLDR_DATA_TABLE_ENTRY KernelDTE, HalDTE, KdComDTE = NULL;
+ PLDR_DATA_TABLE_ENTRY KernelDTE;
KERNEL_ENTRY_POINT KiSystemStartup;
LPCSTR SystemRoot;
TRACE("LoadAndBootWindowsCommon()\n");
SystemRoot = strstr(BootPath, "\\");
/* Detect hardware */
- UseRealHeap = TRUE;
LoaderBlock->ConfigurationRoot = MachHwDetect();
if (OperatingSystemVersion == 0)
OperatingSystemVersion = WinLdrDetectVersion();
- /* Load kernel */
- LoadModule(LoaderBlock, BootPath, "NTOSKRNL.EXE", LoaderSystemCode, &KernelDTE, 30);
-
- /* Load HAL */
- LoadModule(LoaderBlock, BootPath, "HAL.DLL", LoaderHalCode, &HalDTE, 45);
-
- /* Load kernel-debugger support dll */
- if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
- {
- LoadModule(LoaderBlock, BootPath, "KDCOM.DLL", LoaderSystemCode, &KdComDTE, 60);
- }
-
- /* Load all referenced DLLs for kernel, HAL and kdcom.dll */
- strcpy(FileName, BootPath);
- strcat(FileName, "system32\\");
- Status = WinLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, FileName, KernelDTE);
- Status &= WinLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, FileName, HalDTE);
- if (KdComDTE)
- Status &= WinLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, FileName, KdComDTE);
-
+ /* Load the operating system core: the Kernel, the HAL and the Kernel Debugger Transport DLL */
+ Status = LoadWindowsCore(OperatingSystemVersion,
+ LoaderBlock,
+ BootOptions,
+ BootPath,
+ &KernelDTE);
if (!Status)
{
- UiMessageBox("Error loading imported dll.");
+ UiMessageBox("Error loading NTOS core.");
return;
}
/* Load boot drivers */
UiDrawBackdrop();
UiDrawProgressBarCenter(100, 100, "Loading boot drivers...");
- Status = WinLdrLoadBootDrivers(LoaderBlock, (PCHAR)BootPath);
+ Status = WinLdrLoadBootDrivers(LoaderBlock, BootPath);
TRACE("Boot drivers loaded with status %d\n", Status);
/* Initialize Phase 1 - no drivers loading anymore */
- WinLdrInitializePhase1(LoaderBlock, BootOptions, SystemRoot, BootPath, OperatingSystemVersion);
+ WinLdrInitializePhase1(LoaderBlock,
+ BootOptions,
+ SystemRoot,
+ BootPath,
+ OperatingSystemVersion);
/* Save entry-point pointer and Loader block VAs */
KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
LoaderBlock->Extension->LoaderPagesSpanned = LoaderPagesSpanned;
TRACE("Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
- KiSystemStartup, LoaderBlockVA);
+ KiSystemStartup, LoaderBlockVA);
// Zero KI_USER_SHARED_DATA page
memset((PVOID)KI_USER_SHARED_DATA, 0, MM_PAGE_SIZE);
NextBd = ArcDisk->ListEntry.Flink;
}
}
-
-
projects / reactos.git / blobdiff